Abstract
Targeted genome engineering technologies are revolutionizing the field of functional genomics and have been extensively used in a variety of model organisms, including X. tropicalis and X. laevis. The original methods based on Zn-finger proteins coupled to endonuclease domains were initially replaced by the more efficient and straightforward transcription activator-like effector nucleases (TALENs), adapted from plant pathogenic Xanthomonas species. Although functional genomics are more recently dominated by the even faster and more convenient CRISPR/Cas9 technology, the use of TALENs may still be preferred in a number of cases. We have successfully implemented this technology in Xenopus and in this chapter we describe our working protocol for targeted genome editing in X. tropicalis using TALENs.
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